72292460 has 24 divisors (see below), whose sum is σ = 155346576. Its totient is φ = 28244160.

The previous prime is 72292457. The next prime is 72292469. The reversal of 72292460 is 6429227.

It is not an unprimeable number, because it can be changed into a prime (72292469) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41171 + ... + 42890.

It is an arithmetic number, because the mean of its divisors is an integer number (6472774).

Almost surely, 2^72292460 is an apocalyptic number.

It is an amenable number.

72292460 is an abundant number, since it is smaller than the sum of its proper divisors (83054116).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

72292460 is a wasteful number, since it uses less digits than its factorization.

72292460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84113 (or 84111 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 72292460 is about 8502.4972802113. The cubic root of 72292460 is about 416.5792826527.

The spelling of 72292460 in words is "seventy-two million, two hundred ninety-two thousand, four hundred sixty".